{"id":1139,"date":"2004-11-19T09:40:00","date_gmt":"2004-11-19T08:40:00","guid":{"rendered":"https:\/\/kids.esa.int\/new_transport\/"},"modified":"2026-10-08T00:36:27","modified_gmt":"2026-10-07T22:36:27","slug":"new_transport","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/new_transport\/","title":{"rendered":"\u00daj k\u00f6zleked\u00e9si lehet\u0151s\u00e9g"},"content":{"rendered":"
\n

Az \u0171r hatalmas. A Holdra \u2013 az \u0171rben l\u00e9v\u0151 szomsz\u00e9dunkra \u2013 vezet\u0151 \u00fat hagyom\u00e1nyos k\u00e9miai rak\u00e9t\u00e1kkal h\u00e1rom napig tart. A Marsra, az aszteroid\u00e1kra \u00e9s a k\u00fcls\u0151 bolyg\u00f3kra vezet\u0151 utaz\u00e1sok t\u00f6bb h\u00f3napig, s\u0151t ak\u00e1r \u00e9vekig is eltarthatnak.<\/p>\n<\/div>\n

Hossz\u00fa \u0171rutaz\u00e1sok sor\u00e1n az \u0171rhaj\u00f3sok eg\u00e9szs\u00e9gi \u00e1llapota \u00e9s fizikai kond\u00edci\u00f3ja romlik a sug\u00e1rz\u00e1snak \u00e9s a s\u00falytalans\u00e1gnak val\u00f3 kitetts\u00e9g miatt. A hossz\u00fa k\u00fcldet\u00e9sek emellett t\u00f6bb leveg\u0151t, vizet \u00e9s \u00e9lelmet ig\u00e9nyelnek, \u00e9s n\u00f6velik a probl\u00e9m\u00e1k bek\u00f6vetkez\u00e9s\u00e9nek es\u00e9ly\u00e9t. De hogyan lehetne ler\u00f6vid\u00edteni a k\u00fcldet\u00e9seket?<\/p>\n

Az egyik lehet\u0151s\u00e9g a rak\u00e9tahajt\u00f3m\u0171vek hat\u00e9konys\u00e1g\u00e1nak n\u00f6vel\u00e9se. Az ESA m\u00e9rn\u00f6kei m\u00e1r kifejlesztettek egy elektromos hajt\u00e1srendszert a SMART-1 holdmisszi\u00f3hoz. Az elektromos motorok sokkal kisebbek \u00e9s k\u00f6nnyebbek, mint a hagyom\u00e1nyos hajt\u00f3m\u0171vek. B\u00e1r sokkal kevesebb \u00fczemanyagot fogyasztanak, nagyobb kipufog\u00e1si sebess\u00e9get k\u00e9pesek el\u00e9rni \u2013 vagyis azt a sebess\u00e9get, amellyel a hajt\u00f3m\u0171b\u0151l sz\u00e1rmaz\u00f3 g\u00e1z az \u0171rbe l\u00f6vell.<\/p>\n

A napelemekb\u0151l k\u00e9sz\u00fclt \u2018sz\u00e1rnyakra\u2019 es\u0151 napf\u00e9ny \u00e1ltal termelt villamos energi\u00e1t felhaszn\u00e1lva lassan n\u00f6velhetik az \u0171rhaj\u00f3 sebess\u00e9g\u00e9t, am\u00edg az v\u00e9g\u00fcl a k\u00e9miai rak\u00e9t\u00e1kn\u00e1l sokszor gyorsabban halad.<\/p>\n

A Napt\u00f3l t\u00e1vol es\u0151 \u0171rkutat\u00e1si k\u00fcldet\u00e9sekhez nukle\u00e1ris hajt\u00f3m\u0171vekre lesz sz\u00fcks\u00e9g. Ilyen hajt\u00f3m\u0171vek seg\u00edts\u00e9g\u00e9vel el\u0151fordulhat, hogy a j\u00f6v\u0151ben mind\u00f6ssze n\u00e9h\u00e1ny nap alatt el lehet jutni a Marsra.<\/p>","protected":false},"excerpt":{"rendered":"

Space is vast. A trip to the Moon – our neighbour in space \u2013 will take three days using normal chemical rockets. Journeys to Mars, the asteroids and the outer […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2004\/11\/smart-1_showing_off_ion_engine2\/17872705-2-eng-GB\/SMART-1_showing_off_ion_engine.jpg","esa_banner_description":"SMART-1 showing off ion engine","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2004\/11\/SMART-1_showing_off_ion_engine2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[62,10,13],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-1139","post","type-post","status-publish","format-standard","hentry","category-exploration","category-learn","category-life-in-space","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/1139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/comments?post=1139"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/1139\/revisions"}],"predecessor-version":[{"id":2282,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/1139\/revisions\/2282"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=1139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=1139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=1139"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=1139"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=1139"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=1139"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=1139"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=1139"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=1139"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=1139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}